Vulnerability Name:

CVE-2017-12780 (CCN-134580)

Assigned:2017-11-07
Published:2017-11-07
Updated:2017-11-22
Summary:The ReadData function in ebmlstring.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (invalid free and application crash) via a crafted mkv file.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-416
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-12780

Source: MISC
Type: Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/144902/mkvalidator-0.5.1-Denial-Of-Service.html

Source: CCN
Type: Full-Disclosure Mailing List, Tue, 7 Nov 2017 13:48:53 +0800 (GMT+08:00)
mkvalidator libebml2 mkclean multiple vulnerabilities

Source: FULLDISC
Type: Exploit, Mailing List, Third Party Advisory
20171106 mkvalidator libebml2 mkclean multiple vulnerabilities

Source: XF
Type: UNKNOWN
matroska-cve201712780-dos(134580)

Source: CCN
Type: foundation-source GIT Repository
Multiple bugs #24

Source: CONFIRM
Type: Exploit, Third Party Advisory
https://github.com/Matroska-Org/foundation-source/issues/24

Source: CCN
Type: Packet Storm Security [11-07-2017]
mkvalidator 0.5.1 Denial Of Service

Vulnerable Configuration:Configuration 1:
  • cpe:/a:matroska:libebml2:*:*:*:*:*:*:*:* (Version <= 2012-08-26)
  • OR cpe:/a:matroska:mkclean:0.8.9:*:*:*:*:*:*:*
  • OR cpe:/a:matroska:mkvalidator:0.5.1:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:matroska:libebml2:2012-08-26:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:2017127800000000
    V
    CVE-2017-12780 on Ubuntu 16.04 LTS (xenial) - untriaged.
    2017-11-09
    oval:com.ubuntu.artful:def:201712780000
    V
    CVE-2017-12780 on Ubuntu 17.10 (artful) - untriaged.
    2017-11-09
    oval:com.ubuntu.xenial:def:201712780000
    V
    CVE-2017-12780 on Ubuntu 16.04 LTS (xenial) - untriaged.
    2017-11-09
    oval:com.ubuntu.bionic:def:201712780000
    V
    CVE-2017-12780 on Ubuntu 18.04 LTS (bionic) - untriaged.
    2017-11-09
    oval:com.ubuntu.cosmic:def:2017127800000000
    V
    CVE-2017-12780 on Ubuntu 18.10 (cosmic) - untriaged.
    2017-11-09
    oval:com.ubuntu.cosmic:def:201712780000
    V
    CVE-2017-12780 on Ubuntu 18.10 (cosmic) - untriaged.
    2017-11-09
    oval:com.ubuntu.bionic:def:2017127800000000
    V
    CVE-2017-12780 on Ubuntu 18.04 LTS (bionic) - untriaged.
    2017-11-09
    oval:com.ubuntu.trusty:def:201712780000
    V
    CVE-2017-12780 on Ubuntu 14.04 LTS (trusty) - untriaged.
    2017-11-09
    BACK
    matroska libebml2 *
    matroska mkclean 0.8.9
    matroska mkvalidator 0.5.1
    matroska libebml2 2012-08-26